Mobile personal audio device

ABSTRACT

A mobile personal audio device including a case maintaining a power source, first and second speakers, a microcontroller, and first and second stem assemblies. The stem assemblies extend from opposite sides of the case, respectively, and each include a tube having a first end adjacent and open to a corresponding one of the speakers and terminating at a second end. The stem assemblies are configured such that the tube is positionable in a user-selected extended state in which the second end of the tube is displaced from the case, and a collapsed state in which the second end is in close proximity to the case. In the extended state, the case is locatable at the back of the user&#39;s neck, with the tubes extending along opposite sides of the user&#39;s head. The microcontroller operates the speakers to generate audio sounds waves that are delivered to the user&#39;s ears.

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims priority under 35 U.S.C. §119(e)(1) to U.S.Provisional Patent Application Ser. No. 60/910,197, filed Apr. 4, 2007,entitled “Multiple Tube Head or Neck Mounted Audio Device,” and bearingAttorney Docket No. T589.101.101; U.S. Provisional Patent ApplicationSer. No. 60/987,278, filed Nov. 12, 2007, entitled “Mobile PersonalAudio Device,” and bearing Attorney Docket No. T589.103.101; and U.S.Provisional Patent Application Ser. No. 61/019,471, filed Jan. 7, 2008,entitled “Handheld and Wearable Personal Audio Device,” and bearingAttorney Docket No. T589.104.101; the entire teachings of all which areincorporated herein by reference.

BACKGROUND

Personal mobile audio devices, such as digital music players and cellphones, are virtually commonplace in today's society. Continuedadvancements in related technologies and components have reduced thephysical size, increased performance, lowered costs, and improvedconvenience of such devices. Improvements in speaker quality, memory(faster, smaller format, and larger data capacity), easier userinterfaces, and on-line audio content purchasing processes (e.g., AppleiTunes) are examples. These have greatly enhanced the user experienceand device capabilities, and elevated the transition from larger formsof portable music players and/or mobile phones to body-worn, digitaldevice-based systems. Pointedly, smaller communication device formatsare also highly pervasive.

Notwithstanding the above enhancements, one drawback to the mobilityintended with digital music players and small format cell phones (orother communication devices) is the requirement of ear bud speakersconnected with wires. Many mobile users do not like to wear currentforms of ear bud speakers, as they find them uncomfortable, difficult tokeep in the ear, and aesthetically off-putting. With the wired ear budapproach, the wires often become tangled when stored (e.g., in theuser's pocket). Further, the exposed and flexible wires are easily androutinely damaged when stored in confined areas and/or wheninadvertently “caught” on the user's arms, clothing, etc. Also, withcell phone and other communication device applications, the wired earbud provides a poor format for achieving optimal microphone placementand durable mounting during use. While less popular, wired headsetspresent similar problems. The wires leading to the speakers carried bythe headset can become frayed, and the earpiece moldings within whichthe speakers are maintained are relatively large and thus uncomfortablewhen worn (i.e., placed in the user's ear).

In addition, wired ear bud-type mobile telephone devices are notconducive to convenient use for relatively short phone calls and/oranswering an unexpected, incoming phone call. As a point of reference,when not being worn by the user, the wired ear bud(s) and/or microphoneare wound or otherwise stored along with a remainder of the device inthe user's pocket, purse, briefcase, etc. To place (or receive) a phonecall with the device initially in this stored arrangement, the wiresmust be untangled, the ear bud(s) placed in the user's ear, and othersteps must be taken to secure the device to the user's body. This is atime-consuming process, and can be overtly frustrating for a userintending to only briefly use the mobile phone. Similarly, it can bedifficult to quickly answer an incoming phone call for these samereasons.

In light of the above, a need exists for mobile personal audio devicesthat are more conducive to performing desired audio-type activities(e.g., digital music player, wireless cell phone, or wireless cell phoneinterface) with more durability, less tangling, easier mounting andstoring, improved aesthetics, and simplified use.

SUMMARY

Some aspects in accordance with the present disclosure relate to amobile personal audio device including a case, a power source, first andsecond speakers, a microcontroller, and first and second stemassemblies. The case maintains the power source, the microcontroller,and the speakers, with the first speaker maintained to a first side ofthe case, and the second speaker maintained at an opposite side of thecase. The first and second stem assemblies extend from opposite sides ofthe case, respectively, and each include a tube having a first endadjacent and open to a corresponding one of the speakers and terminatingat a second end. In this regard, each of the stem assemblies areconfigured such that the corresponding tube is positionable in auser-selected extended state in which the second end of the tube isdisplaced from the case, and a collapsed state in which the second endis in close proximity to the case. With this construction, the device isconfigured such that in the extended state, the case is locatable at theback of the user's neck, with the tubes extending along opposite sidesof the user's head for selective placement of the second ends near arespective one of the user's ears. In this extended state, themicrocontroller operates to cause the speakers to generate audio soundswaves that are delivered to the user's ears via the corresponding tubes.In some embodiments, the tubes are insertable relative to the case, andprovide a framework for supporting the device on the user's head. Withsimilar embodiments, the distance between the ends of the tubes in theextended state correlate with ear-to-ear human form factors, whereas inthe collapsed state, the distance correlates with ear-to-mouth humanform factors.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1A is a rear side perspective view of a mobile personal audiodevice in accordance with aspects of the present disclosure in adeployed state;

FIG. 1B is a rear side perspective view of the device of FIG. 1A in astorage state;

FIG. 1C is an exploded view of a portion of the device of FIG. 1A;

FIG. 2 is a side view of the device of FIG. 1A worn by a user in anon-operational mode;

FIG. 3A is a side view of the device of FIG. 1A worn by a user in anoperational mode;

FIG. 3B is a side view of the arrangement of FIG. 3A from an oppositeside of the user;

FIG. 4 is a side perspective view of the device of FIG. 1A worn by auser in a communication mode;

FIG. 5A is a perspective view of a portion of an embodiment stemassembly useful with the audio devices of the present disclosure;

FIG. 5B is a perspective view of a portion of another embodiment stemassembly useful with the audio devices of the present disclosure;

FIG. 6 is an enlarged perspective view of a portion of the device ofFIG. 1A;

FIG. 7A is a rear view of the device of FIG. 1A in a storage state andillustrating components of an optional sensor system;

FIG. 7B is a rear view of the device of FIG. 7A in a deployed state;

FIG. 8 is a schematic illustration of a user interface useful with thedevice of FIG. 1A;

FIGS. 9A-9C illustrate portions of another embodiment mobile personalaudio device in accordance with aspects of the present disclosure;

FIG. 10 is a perspective view of another embodiment mobile personalaudio device including an alternative tube construction;

FIGS. 11A-11D are side views of an embodiment stem assembly useful withthe audio devices of the present disclosure;

FIGS. 12A-12C illustrate another mobile personal audio device inaccordance with principles of the present disclosure and in differentmodes of operation;

FIG. 13A is a perspective view of another personal mobile audio devicein accordance with principles of the present disclosure in a wearable,extended format;

FIG. 13B is a perspective view of the device of FIG. 13A in a handheld,collapsed format;

FIGS. 14A-14C illustrate use of the device of FIGS. 13A and 13B by auser;

FIG. 15 is an enlarged, cross-sectional view of a portion of the deviceof FIG. 13A;

FIG. 16 is a simplified view of a linear touchpad useful with the deviceof FIG. 13A;

FIG. 17A is an enlarged, exploded view of a portion of the device ofFIG. 13A, illustrating assembly between a case component and a couplingdevice component;

FIG. 17B is a cross-section view of the device of FIG. 15 taken alongthe lines 17A-7B;

FIG. 17C is an enlarged view of a portion of an alternative couplingarrangement useful with the device of FIG. 13A;

FIG. 18 is an enlarged, cross-section view of a portion of analternative coupling arrangement useful with the device of FIG. 13A;

FIGS. 19A and 19B are simplified perspective views of an alternativemobile personal audio device in accordance with principles of thepresent disclosure;

FIGS. 20A-20C illustrate various components of the device of FIG. 19A;

FIG. 21 is a side perspective view of the device of FIG. 19A,illustrating an available display;

FIG. 22A is a perspective view of an alternative mobile personal audiodevice in accordance with principles of the present disclosure in awearable, extended format;

FIG. 22B is a perspective view of the device of FIG. 22A in a handheld,collapsible format;

FIGS. 23A-23C illustrate assembly of the device of FIGS. 22A and 22B;

FIG. 24 is a cross-sectional view of a portion of the device of FIGS.22A and 22B;

FIGS. 25A-25B illustrate use of the device of FIGS. 22A and 22B by auser;

FIG. 26 is a perspective view of the device of FIGS. 22A and 22B mountedto a docking stand in accordance with principles of the presentdisclosure;

FIG. 27 is a simplified top view of another embodiment audio device inaccordance with the present disclosure;

FIG. 28 is a perspective view of an alternative mobile personal audiodevice in accordance with principles of the present disclosure; and

FIGS. 29A and 29B illustrate audio interface pieces useful with thedevices of the present disclosure.

DETAILED DESCRIPTION

One embodiment of a mobile personal audio device in accordance withaspects of the present disclosure is shown at 20 in FIGS. 1A and 1B. Ingeneral terms, the device 20 is adapted for placement behind a head orneck of a user, and provides one or more audio-related modes ofoperation such as, for example, delivering audio inputs (e.g., music,spoken instructions, messages, etc.) to a user's ears (stereo and/ormono), facilitating audio communications (e.g., wireless cell phoneinterface), etc. With this in mind, the mobile personal audio device 20includes, in some embodiments, a case 22, a first stem assembly 24, anda second stem assembly 26. The assemblies 24, 26 each include a tube 24a, 26 a. Details on the various components are provided below. Ingeneral terms, however, the case 22 maintains various other componentsuseful for producing and/or processing audio-related inputs and outputs.Several of these components are hidden in the view of FIGS. 1A and 1B,and include a power source 30 (referenced generally and best shown inFIG. 1C) such as a battery, a first speaker 32 (referenced generally),and a second speaker 34 (referenced generally). A microcontroller 36(referenced generally and best shown in FIG. 1C) is also provided and ismaintained, for example, by a circuit board. Regardless, the first tube24 a is attached to, and extends from, a first side 40 of the case 22,whereas the second tube 26 a is attached to, and extends from, a secondside 42 of the case 22. With this construction, the microcontroller 36controls operation of the speakers 32, 34. The first tube 24 a, in turn,serves to direct sound waves generated at the first speaker 32 to an earof a user (for example via an audio interface piece or ear mold 44having holes or perforations), and the second tube 26 a delivers soundwaves generated at the second speaker 34 to the user's other ear (via anear mold 46, for example). Finally, in some embodiments, the device 20includes a microphone 48 for sensing sounds generated by the user thatin turn are processed by the microcontroller 36, for example whenoperating in a communications mode as part of a wireless cell phoneinterface. The microphone 48 can be carried by one of the tubes 24 a or26 a as shown in the optional embodiment of FIGS. 1A and 1B, or can bedisposed within the case 22 as described below. As described below, thedevice 20 can operate in a listen-only mode in which music or otheraudio outputs are delivered to both of the tubes 24 a, 26 a and themicrophone 48 is not “active,” and a communications mode in which themicrophone 48 is operational.

The personal audio device 20 can assume a variety of forms apart fromthose shown and described in the figures. For example, in someembodiments, the audio device 20 incorporates or includes one or morethe features described in U.S. Provisional Application Ser. No.60/910,917 filed Apr. 4, 2007 and entitled “Multiple Tube Head or NeckMounted Audio Device;” U.S. Provisional Patent Application Ser. No.60/987,278, filed Nov. 12, 2007, entitled “Mobile Personal AudioDevice,” and bearing Attorney Docket No. T589.103.101; and U.S.Provisional Patent Application Ser. No. 61/019,471, filed Jan. 7, 2008,entitled “Handheld and Wearable Personal Audio Device,” and bearingAttorney Docket No. T589.104.101; the teachings of each which areincorporated herein by reference. Alternatively or in addition, theaudio device 20 incorporates, includes or is programmed to operate inaccordance with the devices and systems described in U.S. ProvisionalApplication Ser. No. 60/914,610 filed Apr. 27, 2007 and entitled“Automated Audio Operation Support Device and Methods,” the teachings ofwhich are incorporated herein by reference.

One construction of the case 22 is shown in greater detail in FIG. 1C.In general terms, the case 22 is sized for placement behind a user'shead or neck, and includes a case body 50, a door 52, and an electronicsassembly 54. The case body 50 is sized to selectively retain the powersource 30. The door 52 is movably assembled to the case body 50 topermit user access to the power source 30. The case body 50 maintainsother components of the drive 20, such as the first speaker 32 and thesecond speaker 34 (hidden and referenced generally in FIG. 1C). Theelectronics assembly 54 includes the microcontroller/circuit board 38,as well as, in some embodiments, a user interface assembly 56 describedbelow. The case body 50 forms a shelf 58 to which the electronicsassembly 54 is mounted, and electronic connection between themicrocontroller 36, the power source 30, and the speakers 32, 34 areestablished. The shelf 58 is relatively flat (as compared to a morerounded shape of the case body 50 opposite the shelf 58) to more clearlyindicate to a user a proper orientation of the case 22 when worn.

With respect to the embodiments illustrated in FIGS. 1A and 1B, thefirst and second tubes 24 a, 26 a are in many respects identical, andinclude or exhibit several common features. For example, the first tube24 a is hollow, extending from a first end 60 to a second end 62. Thefirst end 60 is attached to the first side 40 of the case 22, and isopen relative to the first speaker 32. With this arrangement, then,sounds or sound waves generated by the first speaker 32 readily progressinto the first end 60 of the tube 24 a, with the tube 24 a directing theaudio waves or signals to the second end 62. The second tube 26 a has asimilar relationship relative to the second side 42 of the case 22, andin particular the second speaker 34. Further, in some embodiments, eachof the tubes 24 a, 26 a is imparted with a shape memory attributewhereby the tubes 24, 26 are readily deflectable to a user-selectedextended state or position (FIG. 1A), and self-transition from theextended state to a collapsed state or position (FIG. 1B). With thisconstruction, when the device 20 is not in use or otherwise being wornby a user, the tubes 24 a, 26 a effectively retract (e.g., self-coil)along or about the case 22, resulting in a compact configuration foreasy storage (e.g., in the user's pocket). During use, however, thetubes 24 a, 26 a exhibit sufficient flexibility so as to be readilytransitioned from the collapsed state for placement about the user'sneck and head.

The imparted shape memory attribute is described below with reference toFIG. 1A and relative to the second tube 26 a, it being understood that asimilar construction can be employed with the first tube 24 a. With thisin mind, in some embodiments, the second tube 26 a can be designated asdefining or including a first segment 70, a second segment 72, and athird segment 74. As a point of reference, one or more of the segment(s)70-74 can be separately formed and subsequently assembled, or the secondtube 26 a can simply be a continuous, homogenous structure having thecurve(s) described below. The first segment 70 extends from the firstend 60 and forms a first bend 76. The second segment 72 extends from thefirst segment 70 and forms a second bend 78. Finally, the third segment74 extends from the second segment 72, terminating at the second end 62and forming a third bend 80. The bends 76-80 are sized and shaped topromote desired physical interface with a user's head and neck inmaintaining the second end 62 (and the ear mold 46 connected thereto) inor about a user's ear. In addition, the first segment 70 is reinforcedso as to naturally self-transition from the enlarged curvature of FIG.1A to the decreased curvature of FIG. 1B. That is to say, the firstsegment 70 will readily deflect (e.g., uncoil) along the first bend 76in response to a user-applied force. However, the first segment 70retains a natural affinity to return to the state or position of FIG.1B. Stated otherwise, the first segment 70 is adapted to naturallytransition from the extended state of FIG. 1A in which the second end 62is displaced from the case 22 to the collapsed state of FIG. 1B in whichthe second end 62 is proximate the case 22. This shape memory attributecan be incorporated via a formed or molded configuration of the tube 26a (e.g., the tubes 24 a, 26 a can be a molded polymer, with the shapememory attribute created during molding by, for example, molding thestorage state curvature to the first segment 70, creating the firstsegment 70 to have a greater wall thickness, etc.). Alternatively and/orin addition, a reinforcement body (e.g., coiled spring or tensionedcable) can be interiorly or exteriorly formed or applied to or aboutsegment(s) of the second tube 26 a (e.g., along the first segment 70) toenhance the natural affinity of the second tube 26 a to assume thestorage state/position of FIG. 1B. Regardless, in the storage state, thetubes 24 a, 26 a are effectively retracted (e.g., coiled) relative tothe case 22.

In addition to promoting natural movement of the tubes 24 a, 26 a to thestorage state, the shape memory attribute in combination with theselected bend(s) or curvature(s) 76-80 promotes convenient wearing ofthe device 20 by a user. For example, FIG. 2 illustrates the device 20placed about the user's neck 90. The case 22 is placed at a back 92 ofthe user's neck 90. The tubes 24 a, 26 a extend about opposite sides ofthe neck 90, and toward the user's face 94. As a point of reference, thefirst tube 24 a is hidden in the view of FIG. 2. The bends 76-80 promotethe tubes 24 a, 26 a applying a slight pressure to the user's neck 90and/or face 94 (e.g., cheeks) at one or more points such that the device20 will not readily fall off of the user. As a point of reference, thearrangement of FIG. 2 relates to the user wearing the device 20 in anextended (or partially extended) state, but with the device 20 notgenerating audio sounds. The same curved collapsing tension effects ofthe tubes 24 a, 26 a will provide for inherent retention of the device20 to the user's head when one or both of the tubes 24 a and/or 26 a arerotated toward the corresponding ear 96 during use, as described below.

When the user desires to listen to audio outputs or otherwise interactwith the device 20, one or both of the tubes 24 a and/or 26 a aremaneuvered to a second extended position whereby the corresponding earmold 44 and/or 46 are placed in a respective one of the user's ears 96as shown in FIG. 3A. In the view of FIG. 3A, the ear mold 46 associatedwith the second tube 26 a is placed in the user's left ear 96; the firsttube 24 a is partially hidden in FIG. 3A, it being understood that thecorresponding ear mold 44 (FIG. 1A) can be placed in the user's oppositeor right ear as shown in FIG. 3B. In the position of FIG. 3A, the secondsegment 72, and in particular the second bend 78, is placed into contactwith the user's head and/or neck 90, with the third segment 74, and inparticular the third bend 80, providing clearance about the ear 96 suchthat the ear mold 46 is easily and comfortably disposed in thecorresponding ear canal. Due to the shape memory attribute describedabove, the first segment 70 is under tension in the deployed state ofFIG. 3, imparting or creating a force on the second segment 72 that inturn ensures or facilitates at least a slight pressure contact betweenthe second bend 78 and the user's head. Thus, when the tubes 24 a, 26 aare positioned to directly interface with the user's ears 96, theimparted shape memory attribute serves to “fixate” the tubes 24 a, 26 arelative to the user such that the ear molds 44, 46 will not readily oreasily fall out of the user's ears 96. Notably, this same,tension-induced fixation to the user will be accomplished with a widevariety of head/neck sizes as the case 22 can be placed at any desiredelevation relative to the user's neck 90 so as to position the tubes 24a, 26 a at optimal locations for interfacing with the ears 96 regardlessof the user's head size. Alternatively or in addition, the bends 76-80force the corresponding ear mold 44, 46 to apply a slight pressuretoward the user's ear canal, again to better ensure that the ear molds44, 46 will not readily fall out of the user's ears 96 during use. Whenthe device 20 is entirely removed from the user, the tubes 24 a, 26 aautomatically self-revert to the collapsed state of FIG. 1B.

Returning to FIG. 1A, where provided, the microphone 48 is directlyassociated with the first tube 24 a to facilitate use of the device 20in a communication mode (e.g., as a wireless interface with a cell phonevia Bluetooth technology or by incorporating cell phone capabilitiesinto the device 20 itself). In some optional embodiments, the microphone48 is maintained by an auxiliary tube 110 that extends from and is opento the first tube 24 a at a point adjacent the second end 62 (e.g.,proximate the third bend 80). The auxiliary tube 110 can be rigid, andcan be attached to the first tube by a collar 112 or other structure(e.g., the auxiliary tube 110 can be integrally molded with the firsttube 24 a). Regardless, a wire 114 extends from the microphone 48,through the auxiliary tube 110, into the first tube 24 a, and iselectronically connected to the microcontroller 36. The microcontroller36 is programmed to receive and process audio input from the microphone48 when operating in the communication mode as described below.

As mentioned above, a size and shape of the auxiliary tube 110, as wellas a location of the auxiliary tube 110 relative to the first tube 24 a,are selected to desirably position the microphone 48 during use in thecommunication mode. The above-described tensioning attribute of thefirst tube 24 a fixates the first tube 24 relative to the user's head(and thus the microphone 48 relative to the user's jaw 116 or mouth) inthis secondary deployed position with the bend 78 gently pressingagainst the user's head (e.g., cheek). For example, and with referenceto FIG. 4, the auxiliary tube 110 is sized and positioned such that inthe communication mode, the first tube 24 a is slightly rotated thedisplace the corresponding ear mold 44 from the user's ear 96 andposition the microphone 48 in closer proximity to the user's jaw 116and/or mouth. Alternatively, the auxiliary tube 110 can be sized toposition the microphone 48 in close proximity to the user's jaw 116and/or mouth when the ear mold 44 carried by the first tube 24 a iswithin the user's ear 96.

In other embodiments, the microphone 48 is carried within the case 30,and the auxiliary tube 110 and the wire 114 through the first tube 24 aeliminated. For example, FIG. 1C illustrates one possible location of amicrophone 48′ adjacent the first speaker 32 and positioned to be “open”relative to a channel defined by the first tube 24 a. With thisconstruction, audio input from the user (e.g., spoken words) areintroduced into the first tube 24 a at the second end 62 (FIG. 1A), forexample via the ear mold 44, with the first tube 24 a directing theaudio input to the microphone 48′. With these and other similarconfigurations, the device 20 can incorporate additional features thatpromote positioning of the ear mold 44 when the first tube 24 a isemployed to transfer audio from the user to the microphone 48′. FIG. 5A,for example, illustrates the ear mold 44 being attached to the secondend 62 of the first tube 24 a by a coupling member 117. The couplingmember 117 allows the ear mold 44 to be rotated relative to the firsttube 24 a for desired orientation relative to the user's mouth or ear.FIG. 5A further depicts an optional invertable feature of the ear mold44. More particularly, the ear mold 44 can be inverted from an “in ear”state (“A” in FIG. 5A) to a sound gathering state (“B” in FIG. 5A) thatmore readily collects sound waves (akin to a funnel) for direction toand through the first tube 24 a.

FIG. 5B illustrates another optional feature associated with deviceembodiments in which the microphone 48′ (FIG. 1C) is carried in the case30. In particular, a stand mechanism 118 is assembled at the third bend80 of the first tube 24 a, and includes a finger 119 a pivotably mountedto a collar 119 b. In a first state (“A” in FIG. 5B), the finger 119 ais rotated toward the first tube 24 a, and the collar 119 b does notaffect the natural shape of the third bend 80. In this position, then,the stand mechanism 118 will not interfere with placement of the earmold 44 in the user's ear as described above. Conversely, in the secondstate (“B in FIG. 5B), the finger 119 a projects away from the firsttube 24 a; further, rotation of the finger 119 a causes the collar 119 bto “straighten” the third bend 80. As a result, when the first tube 24 ais rotated toward the user's mouth, the finger 119 a is positioned torest against the user's face, thus more optimally locating the ear mold44 to collect sounds from the user's mouth.

Commensurate with the above description, and returning to FIGS. 1A-1C,the microcontroller 36 is programmed, in some embodiments, to operatedifferently depending upon the application desired by the user (e.g., alisten-only mode and a communication mode). For example, in thelisten-only mode, the microcontroller 36 operates both of the speakers32, 34 to generate an audio output that in turn is delivered to both ofthe ear molds 44, 46. Audio inputs, if any, received at the microphone48, 48′ are not signaled and/or not operated upon by the microcontroller36 in the listen-only mode. Thus, in the listen-only mode, themicrocontroller 36 can deliver a high definition audio output (e.g.,stereo) to the user via both of the speakers 32, 34. In thecommunication mode, the microcontroller 36 performs cell phoneoperations, for example controlling use of the internal wirelessinterface between a user and a separate cell phone device carried by ornearby the user, (e.g., via Bluetooth technology incorporated into orconnected to the device 20), or controlling use of internal cell phonecomponents carried by the case 22. In the communication mode, then, themicrocontroller 36 receives and processes audio input generated by theuser at the microphone 48, 48′. Further, the microcontroller 36 providesaudio output to the second speaker 34 (and thus the ear mold 46 attachedthereto). With embodiments in which the first tube 24 is maneuvered awayfrom the user's ear 96 to properly position the microphone 48, 48′relative to the user's jaw 116 and/or mouth, the microcontroller 36 doesnot generate an audio output at the first speaker 32. Rather, audiooutput is generated only at the second speaker 34 (e.g., mono soundgenerated through the wireless communication means). Alternatively, withembodiments in which the microphone 48, 48′ is appropriately positionedrelative to the user's jaw 116 with the first tube 24 a/ear mold 44still located in or at the user's ear 96, the microcontroller 36 canalso deliver audio output via the first speaker 32.

The device 20 can incorporate various features that promote automatictransitioning of the microcontroller 36 between the listen-only mode andthe communicative mode. For example, in some embodiments, the userinterface assembly 56 can include one or more user interfaces 120 (e.g.,buttons) along a face of the case 22 that are otherwise electronicallycoupled to the microcontroller 36. Based upon user interaction with oneor more of the interfaces 120, the microcontroller 36 will automaticallyoperate in either the listen-only mode or the communication mode.Additionally or alternatively, the device 20 can incorporate a sensorsystem 130 as best shown in FIG. 6 and provided in some embodiments inthe form of a switching device. For example, the switching device 130can include a housing 132 movably assembled to the case 22 and attachedto the first tube 24. In this regard, attachment between the housing 132and the case 22 provides for two or more discrete, known positions ofthe two components 22, 132 relative to one another. With the oneembodiment of FIG. 6, the housing 132 is rotatably attached to the case22, and is rotatable between three set or locked positions indicated byprotrusions 134 a-134 c. In the first position (protrusion 134 a), thehousing 132, and thus the first tube 24, is rotated relative to the case22 in an “off” or “standby” position. This corresponds with the worn but“not activated” or partially-extended position of FIG. 2. When theswitching device 130 is in the “off” or “standby” position, themicrocontroller 36 operates in a “sleep” or “off” mode in which themicrophone 48, 48′ is deactivated and the speakers 32, 34 are notoperated. However, the device 20 can be programmed to perform somecommunications-type features in the “off” or “standby” mode, such asreceiving phone calls and notifying the user with vibration and/orsound.

As the housing 132, and thus the first tube 24 a, is rotated relative tothe case 22 to the second position (corresponding with the secondprotrusion 134 b), the first tube 24 a is rotated to the communicationor secondary extended position of FIG. 4 in which the microphone 48 (orthe ear mold 44 through which audio input is delivered to the microphone48′ carried in the case 30) is in close proximity to the user'sjaw/mouth. The switching device 130 generates a signal to themicrocontroller 36 indicative of this positioning, with themicrocontroller 36 being programmed to automatically operate in thecommunication mode in response to this signal. For example, themicrocontroller 36 can “activate” the microphone 48, 48′, pause deliveryof music, and initiate cell phone operations in which audio outputs aredirected from the wireless communication means and delivered to only thesecond speaker 34.

Finally, as the housing 132 is rotated to the third position(corresponding with the third protrusion 134 c), the first tube 24 isrotated so as to place the corresponding ear mold 44 in the user's ear96 (e.g., FIG. 3A). The switching device 130 generates a signalindicative of this third position, with the microcontroller 36programmed to automatically operate in the listen-only mode in responseto this signal. For example, the microcontroller 36 can deactivate themicrophone 48, 48′ and operate both of the speakers 32, 34 to generatesounds.

Notably, operational modes differing from those described above can beimplicated by the settings/protrusions 134 a-134 c. Also, a wide varietyof other configurations can be employed for the switching device 130.For example, the housing 132 can be axially slidable relative to thecase 22 and define two or more discrete positions that otherwisecorrespond with desired operational modes. Alternatively, the desiredoperational mode can be initiated by a user via a touch control surface,a display integrated into the device 20, speech recognition programs,etc. In other embodiments, the switching system 130 can be eliminated.

In addition or an alternative to the above-described operational modeindicators, the device 20 can incorporate a sensor system that directsthe microcontroller 36 to automatically “power down” the device 20 whennot in use. For example, and as best shown in FIG. 7A a sensing system140 can be provided that includes a transmitter component 142 and adetector component 144. The components 142, 144 combine to provideproximity-type sensoring whereby the detector component 144 will “sense”the transmitter component 142 when the transmitter component 142 islocated in close proximity to the detector component 144. With this inmind, the transmitter component 142 can be a metal ring or similar bodyattached or otherwise connected, molded or placed into one of the tubes24 a, 26 a or the optional auxiliary tube 110 (as shown in FIG. 7A). Thetransmitter component 142 can be powered (via, for example, a separatewire) or can be an un-powered device. The detector component 144 ismaintained by the case 22 and is electronically connected to themicrocontroller 36. Further, the detector component 144 can be powered(via the power source 30). With this construction, when thecorresponding tube 24, 26, or 110 (where provided) is in the collapsedstate as shown, the detector component 144 will “sense” presence of thetransmitter component 142 (schematically reflected by circles in FIG.7A), and generate a corresponding signal to the microcontroller 36. Inresponse, the microcontroller 36 is programmed to automatically operatein a “power off” “sleep,” or “monitoring incoming communications” modeduring periods of non-use. As the transmitter component 142 is movedaway from the detector component 144 (i.e., the first tube 24 atransitioned to an extended state as shown in FIG. 7B), the detectorcomponent 144 will no longer signal that the device 20 is in thecollapsed state, allowing the microcontroller 36 to operate in the modeselected by the user. Alternatively, a number of other sensor systemdesigns can be employed. In yet other embodiments, the sensor system 140can be eliminated.

In addition to the microcontroller 36 (and corresponding circuit board)described above, the device 20 can include a number of otherelectronic-related components such as a Bluetooth/cell phone connector,a USB port/dock, an antenna, a flash memory, etc. In addition, thedevice 20 can include the user interfaces 120 as described above. In yetother embodiments, the user interfaces 120 can be provided as part of,or replaced with, a differing user interface assembly, such as a lineartouchpad as described, for example, in U.S. patent application Ser. No.10/999,168 filed Nov. 28, 2004 and entitled “Mobile, Hand-Held PersonalComputer,” the teachings of which are incorporated herein by reference.One exemplary linear touchpad arrangement 150 is shown in FIG. 8, andincludes a series of interconnected pads 152. The pads 152 are readilyperceived by a user when running his or her finger along the touchpad150. With this in mind, the microcontroller 36 can be programmed toperform various, predetermined operational modes or routines in responseto simultaneous user interaction with two (or more) of the pads 152. Forexample, simultaneous touching of two of the pads 152 can effectuateplaying of certain, pre-selected music programs or styles, whereas otherapplications can be initiated via a combination of two different pads152. Alternatively, the linear touchpad 150 can assume other formsand/or can be eliminated. For example, the user interface 120 can be adisplay screen that displays information generated by themicrocontroller 36.

In yet other embodiments, a display screen or screens can be providedthat wrap about a portion or entirety of the case 22. For example, FIG.9A illustrates a portion of an alternative mobile personal audio device200. The device 200 is akin to the device 20 (FIG. 1A) previouslydescribed, and includes a case 202, opposing first and second stemassemblies 204, 206, and a display system 208. The stem assemblies 204,206 extend from the case 202 and can be identical to the stem assemblies24, 26 (FIG. 1A) as previously described. Thus, the stem assemblies 204,206 each include a tube 204 a, 206 a, respectively. Further, the case202 maintains various other components, such as a power supply (e.g.,battery) 210, speakers 212 (one of which is shown in FIG. 9A), and amicrocontroller 214 (referenced generally). The display system 208 isassembled to the case 202, and is constructed and operates as describedbelow. Optional LED devices 216 (one of which is shown in FIG. 9A) arealso included, and serves to illuminate the corresponding tubes 204 a,206 a to provide a distinct appearance or safety lighting (it beingnoted that LED 216 can be provided with any of the other audio devicesof the present disclosure).

The display system 208 can assume a variety of forms, and in someembodiments includes a plurality of panel units 220 that are flexiblyconnected to one another (e.g., at living hinges 222) to effectuate awrapped construction or arrangement about the case 202. In fact, inother embodiments, the panel units 220 collectively serve as anencasement for the other components (e.g., the power supply 210), suchthat the case 202 can be greatly reduced or eliminated. Alternatively,the panel units 220 can be discrete components, separately assembled tothe case 202. Regardless, each of the panel units 220 includes a displayscreen 224 and a circuit board 226. The display screen 224 can be anOrganic Light Emitting Display (OLED) device, although other low powerdisplay devices are also acceptable. The circuit board 226 providescircuitry adapted to operate the display screen 224 as well as to, insome embodiments, generate touch-sensitive zones along the displayscreen 224. With this construction, each of the panel units 220 providesa touch screen user interface, with user-entered input(s) beingprocessed and acted upon by the microcontroller 214 (via electricalconnection to the corresponding circuit board 226).

While FIG. 9A illustrates the device 200 as including four of the panelunits 220, any other number, greater or lesser, is also envisioned. Withthe but one acceptable configuration illustrated, however, upon finalassembly the display system 208 encompasses the case 202 as shown inFIG. 9B. In some embodiments, the panel unit(s) 220 provide acontinuous, wrapped appearance upon final assembly. During use, thedevice 200 is worn and operated by a user as previously described. Inthis regard, the display system 208 operates to display variousinformation to the user, as well as serving as a convenient userinterface. In fact, in some embodiments, personal computer-typefunctioning can be provided. The individual panel units 220 can beoperated independently of one another, or can provide a coordinateddisplay and/or or user interface. For example, FIG. 9C illustrates oneexample of a coordinated display interface whereby a continuum ofrelated, designated touch receptor zones (e.g., indicating userselection of a number from 1-10) is generated along two adjacent displayscreens 224 a, 224 b. A plethora of other display/user inputappearances/operations can also be provided.

To better promote protection and/or viewing of one or more of thedisplay screens 224 when the device 200 is in the storage state, thestem assemblies 204, 206 can employ an additional wrapping feature asshown in FIG. 10. More particularly, the tube 204 a, 206 a are formed toinclude a spiral segment 240 adjacent the case 202. The spiral segment240 imparts a shape memory attribute to the corresponding tube 204 a,206 a, creating a natural affinity for the tube 204, 206 to“automatically” revert to the collapsed state (reflected by dashed linesin FIG. 10) in the absence of an external force (e.g., when the device200 is not being worn). The spiral segments 240 better ensure locationof the tubes 204 a, 206 a away from one or more of the “outside” displayscreens (e.g., the display screens 224 a and 224 b in FIG. 10), and alsoprovide cushioning and surface protection for the display screens 224when the device 200 is stored, for example, in a user's pocket. Thespiral segments 240 permit user movement of the tubes 204 a, 206 a tothe extended state (reflected by solid lines in FIG. 10), and at leastin part create the curved collapsing tension effects previouslydescribed.

A related wrapping feature or coupling device in accordance with thepresent disclosure is shown in FIGS. 11A-11D. A portion of a stemassembly 250 useful with any of the personal mobile audio devices of thepresent disclosure is provided, and includes a tube 252 and a tensioningweb 254. A first end 256 of the tube 252 is attached to the case 202,and is “open” to a speaker (drawn generally at 258 in FIG. 11D). Thetube 252 forms a flexible segment 260, with the tensioning web 254 beingattached (or molded) to the tube 252 at opposite sides of the flexiblesegment 260. The tensioning web 254 can be formed of rubber and includesone or more walls 262 (FIGS. 11B and 11D) that, while flexible, aresubstantially inelastic and naturally revert to the retracted shape ofFIGS. 11A, 11B, biasing the tube 252 to the collapsed state as shown.When an extension or deflection force is imparted onto the tube 252(e.g., a user attempting to “unfold” the tube 252 for use), thetensioning web 254 permits this desired movement to the position ofFIGS. 11C and 11D. When worn, the web 254 tensions the tube 252 againstthe user's face as above. Once this force is removed, however, thetensioning web 254 self-transitions the tube 252 back to the collapsedstate of FIGS. 11A and 11B.

Regardless of an exact design of the stem assemblies, while the mobilepersonal audio device 20 (FIG. 1A), 200 of the present disclosure hasbeen described for “wearing” along a back of the user's head or neck, inother configurations, a front-worn application is envisioned. Forexample, FIGS. 12A-12C illustrate an alternative mobile personal audiodevice 300 in accordance with the present disclosure and adapted forwearing/operation at the front of the user's neck 90 and/or face 94.

The device 300 is akin to the devices 20, 200 previously described, andincludes a case 302, opposing first and second stem assemblies 304, 306,and a display system 308. The stem assemblies 304, 306 extend from thecase 302 and can be identical to the stem assemblies 24, 26 (FIG. 1A)previously described. Further, the case 302 maintains various othercomponents that are hidden in the views, including a power supply (e.g.,battery), speakers, and a microcontroller. Further, FIG. 12B referencesgenerally a microphone 310 that is maintained by the case 302,alternatively by one of the stem assemblies 304 or 306, or an auxiliarytubing (not shown).

The display system 308 is akin to the display system 208 (FIGS. 9A and9B), and generally includes one or more display screens 312 (e.g., OLED)wrapped about or defining the case 302. One or more circuit boards 314are operated by the microcontroller (not shown) to dictate informationdisplayed on the screen(s) 312.

During use, the device 300 can operate in multiple modes. With specificreference to FIG. 12A, the device 300 is worn by a user by placing thecase 302 at a front of the user's neck 90 or face 94, with respectivetubes 304 a, 306 a of the stem assemblies 304, 206 extending to arespective one of the user's ears 96. In the position of FIG. 12A, thecase 302 is generally away from the user's face 94, and the device 300can operate in a music (or audio-only) mode as previously described. Themicrophone 310 (FIG. 12B) is deactivated, with music/audio beinggenerated at the speakers (not shown) and to the user's ears 96 via thetubes 304 a, 306 a.

In a communications mode as reflected in FIG. 12B, the case 302, andthus the microphone 310 maintained thereby, is moved toward the user'smouth/jaw 116 and the microphone 310 is “activated.” With someconstructions, the tubes 304 a, 306 a and the case 302 are constructedand positioned such that the case rests on a chin 316 in thecommunications mode. Regardless, the microphone 310 is in closeproximity to the user's mouth/jaw 116 and is thus able to sense orcollect sound waves generated by the user when talking, with the device300 operating as a cell phone or as a wireless cell phone interface aspreviously described.

In the display mode of FIG. 12C, the case 302 is rotated toward theuser's eyes 318. A separate support device (not shown) can be included,or the user can simply hold the device 300 in the position of FIG. 12Cwith his or her hand(s). Regardless, the screen(s) 312 are in a line ofsight of the user's eyes 318, and the device 300 operates to displayinformation/content. The microphone 310 (FIG. 12B) can be active ordeactivated in the display mode. The format of the displayed informationcan vary; in some embodiments, the case 302 can be rotated (relative tothe tubes 304, 306) to allow an entirety of the “wrapped” display to beviewed. Even further, the microcontroller (not shown) can be programmedto automatically scroll an image displayed on the screen(s) 312 basedupon a level the case 302 is held relative to the user (e.g., the device300 can incorporate a point of reference sensor that signals elevationalinformation relative to earth).

The device 300 can include one or more user input devices (not shown)through which the user can select a desired mode of operation. In otherembodiments, the device 300 can include feature(s) that automaticallydictate a mode of operation. For example, the device 300 can include aswitching device that automatically implements a particular mode ofoperation depending upon a rotational position of the case 302 relativeto one or both of the tubes 304, 306 as previously described.Alternatively, one or more proximity-type sensors can be provided thatindicate whether the device 300 is in the position of FIG. 12A, 12B, or12C and prompt the microcontroller to operate in the corresponding mode.

As will be clear from the above, the mobile personal audio device 20(FIG. 1A), 200 (FIG. 9A), 300 of the present disclosure can effectuate anumber of different operational modes desired by users. In simplestform, the device 20, 200, 300 provides a convenient, user-friendlydevice for listening to digital music (e.g., listen-only mode) or withan integrated cell phone. It yet other formats, the device 20, 200, 300serves solely as a communication device or wireless cell phoneinterface. In other, preferred formats, the device 20, 200, 300 furtherfacilitates Bluetooth communications with a separate cell phone held bythe user (e.g., communication mode). In further embodiments, the modesof operation can include simultaneous playing of music in thecommunication mode at a desired volume level.

Another embodiment of a mobile personal audio device in accordance withaspects of the present disclosure shown at 400 in FIGS. 13A and 13B. Ingeneral terms, the device 400 is adapted to provide and betransitionable between a wearable format (FIG. 13A) and a handheldformat (FIG. 13B), as well as to operate in different modescorresponding with the selected format. For example, in the wearableformat or extended state, the device 400 is conveniently wearable by auser (reflected in FIG. 14A), and can operate to delivery audio inputs(e.g., music, spoken instructions, and messages, etc.) to both of theuser's ears (stereo and/or mono). Additionally, in the handheld formator collapsed state, the device 400 can conveniently be held in a singlehand of the user (reflected in FIG. 14B), and can operate to facilitateaudio communications (e.g., wireless cell phone interface). Further, inthe collapsed state, the device 400 is conveniently storable (e.g., inthe user's pocket on the user's waist or belt, etc.). In otherembodiments described below, the mobile personal audio device of thepresent disclosure provides a partially collapsed state in which thedevice can be held in a single hand of the user, with a display portionof the device in front of the user's face and an audio input extendedtoward the user's mouth (e.g., FIG. 25D).

With the above general description in mind, the mobile personal audiodevice 400 includes, in some embodiments, a base 402, a first stemassembly 404, and a second stem assembly 406. Details on the variouscomponents are provided below. In general terms, however, the base 402maintains various other components useful for producing and/orprocessing audio-related inputs and outputs. Some or all of thesecomponents are hidden in the view of FIGS. 13A and 13B, and include apower source and a microcontroller or microprocessor as described above.Regardless, the first stem assembly 404 is attached to, and extendsfrom, a first side 410 of the case 402, whereas the second stem assembly406 is attached to, and extends from, a second side 412 of the case 402.Speakers (not shown) are provided for both of the stem assemblies 404,406 (e.g., the speakers are maintained by the base 402 and/or by therespective stem assemblies 404, 406), and are controlled by themicroprocessor. Further, the device 400 includes a microphone (notshown) for sensing sounds at the first stem assembly 404. In theextended state (FIG. 13A), the device 400 can operate to generate soundsat both of the stem assemblies 404, 406. Conversely, in the collapsedstate (FIG. 13B), the device 400 can operate to generate sounds at thesecond stem assembly 406, while collecting audio input at the first stemassembly 404. Further, in other configurations, the device 400 isadapted such that when the second stem assembly 406 is in the collapsedstate and the first stem assembly 404 is in the extended state, audioinput can be received at the first stem assembly 404 while a display ispresent to the user (e.g., FIG. 25D as described below).

The mobile personal audio device 400 can assume a variety of forms apartfrom those shown and described in the figures, commensurate withprevious descriptions. Even further, features described in U.S. Pat. No.7,312,981 entitled “Mobile, Hand-Held Personal Computer,” the teachingsof which are incorporated herein by reference, such as a drawer and/orswappable modules, can be provided with the device 400.

In some embodiments, an ability of the device 400 to satisfactorilyoperate as a wearable device in delivering audio to the user's ears, aswell as a handheld device in providing wireless communication is afunction of the sizes and shapes of various components. For example, thebase 402 includes a case 420 within which various components (e.g.,microprocessor, speakers, etc.) are maintained. The stem assemblies 404,406, in turn, each include a tube or stem 422, 424 that extends from thecase 420, terminating at an audio interface piece 426, 428, such as anear mold. As best shown in FIG. 14A, in the wearable format or extendedstate, the case 420 is sized for convenient placement behind a user'shead or neck, with the stems 422, 424 (it being understood that the stem424 is hidden in the view of FIG. 14A) extending a sufficient lengthfrom the case 420 to conveniently position the corresponding audiointerface piece 426, 428 within a corresponding one of the user's ears.Alternatively, the device 400 can be worn with the case 420 in front ofthe user's neck, as shown in FIG. 14C. Conversely, in the handheldformat or collapsed state (FIG. 13B), the audio interface pieces 426,428 are located relative to the case 420 at positions convenient for usein a manner similar to a telephone handset (or conventional handheldcell phone) as shown in FIG. 14B.

Requirements for the above applications can be achieved by the singledevice 400 of the present disclosure by incorporating the specificselection of lengths in each of the three parts of the device 400 asderived from human form factor standards. The length and shape, astypified in the drawings, combine to create appropriate form anddistance to meet both the ear-to-ear (FIGS. 13A and 14) and ear-to-mouth(FIGS. 13B and 14B) distances. They also provide quick reformatting forautomated closure formats in one, easily modified device. The human formfactor embodied by the dimensions of the case 420 and the stems 422, 424are based on typical adult human head and neck characteristics includingwidth of neck and/or distance between ears, distance from ear to mouth,and length of neck. For example, the length of the case 420 is notlonger than the standard distance between the ears of an adult, asidentified in human form factor standard references. Further, the stems422, 424 are long enough to reach the user's ears with the case 420maintained behind the user's neck/along the back of the user's neck, yetnot longer than the standard distance between the shoulder and ear of anadult (i.e., e.g., typical distance between the right ear and the rightshoulder of an adult, as identified in human form factor standardreferences) such that the device 400 can be worn in a comfortablehanging position, but yet not too long to cause the case 420 to contactthe user's shoulder with turning movement of the user's head/neck.Further, the length of the stems 422, 424 (as well as a position of thestems 422, 424 relative to the case 420) is selected such that in thecollapsed state, a distance between the audio interface pieces 426, 428is commensurate with typical distance between the ear and mouth of anadult, as identified in human form factor standard references. Inalternative constructions, the device 400 can include a plurality ofinterchangeable, different length stems that are easily assembled to thecase to better accommodate a large or small user. The same measurementstandards apply to a front viewing position or dictation mode asdescribed below with reference to FIG. 25D. In general terms, thedistance for achieving the minimal acceptable focal length for the userviewing a display provided with the base 402 is met by the length of theextended audio stem when the end of the stem is located by the user'smouth. These same format/size features can be incorporated into any ofthe mobile audio device embodiments of the present disclosure.

With the above constraints in mind, one embodiment of the base 422, aswell as a portion of the first stem assembly 404 is shown in greaterdetail in FIG. 15. As referenced above, the base 422 includes the case420 that maintains a power source 430 (e.g., battery), a microcontroller432, a first speaker 434, a user interface 436, and a sensor system 438(referenced generally). The microcontroller or microprocessor 432 ispowered by the power source 430, and controls operation of the firstspeaker 434. In this regard, the first speaker 434 is arranged to directgenerated sound waves to the first stem assembly 404, and in particularthe stem 422. Though not shown in FIG. 15, the base 402 can furtherinclude a second speaker similarly controlled by the microcontroller 432and positioned within the case 420 to direct generated sound waves tothe stem 424 of the second stem assembly 406 (FIG. 13A). The userinterface 436 is electronically coupled to the microcontroller 432 andcan assume a variety of forms as described below. Finally, the sensorsystem 438 can also assume a variety of forms described below; in theone embodiment of FIG. 15, the sensor system 438 includes a switch 440that projects from the case 420 and is electronically coupled to themicrocontroller 432 to initiate various operational activities by themicrocontroller 432.

The case 420 can be made of various materials and include or form one ormore features that promote collapsible connection with the stemassemblies 404, 406 as described below. In addition, the case 420 canincorporate exterior contours that match with contour(s) of the stems422, 424 to promote a compact arrangement in the collapsed state. Tothis end, the shape and/or dimensions of the case 420 are selected so asto not interfere with desired transitioning of the stems 422, 424 to thecollapsed state.

The microcontroller 432 can also assume a variety of forms appropriatefor performing the various audio-related functions described below. Forexample, the microcontroller 432 can be provided as part of a circuitboard 442, and can be programmed to operate in at least a listen-onlymode and a communication mode. In some embodiments, the microcontroller432 can further be adapted (e.g., programmed or software) to performspeech recognition operations, and thus is optionally programmed tooperate in a dictation mode.

Returning to FIGS. 13A and 13B, the first and second stem assemblies404, 406 are, in many respects, identical, such that the followingdescription of the first stem assembly 404 applies equally to the secondstem assembly 406. With this in mind, the first stem assembly 404includes the stem 422 as previously mentioned, along with a couplingdevice 446 (referenced generally). In general terms, the coupling device446 pivotably couples the stem 422 relative to the case 420, permittingrotation of the stem 422 between the collapsed state (FIG. 13B) and theextended state (FIG. 13A).

In some embodiments, the stem 422 is akin to the tubes described above,establishing a channel through which audio waves are directed andextending between a first end 450 at which the audio interface piece 426is mounted and a second end 452 maintained assembled to the couplingdevice 446. The tubular stem 412 can be formed of various materials(e.g., molded plastic) that are at least somewhat rigid and can beimparted with a shape memory attribute whereby the tubular stem 422 canbe deflected from the set shape reflected in FIGS. 13A and 13B andself-transition back to the set shape as described above with respect toFIGS. 1A and 1B.

For example, the tubular stem 422 can form bends 454, 456 that promotedesired placement of the corresponding audio interface pieces 426, 428in the collapsed state for interfacing with one of the user's ears andthe user's mouth as reflected in FIG. 14B. For example, with respect tothe second stem 424, the bends 454, 456 spatially locate the audiointerface piece 428 for placement in the user's ear when the case 420 isheld in relatively close proximity to the user's face/cheek. Withrespect to the first stem 422, the bends 454, 456 spatially locate theaudio interface piece 426 in relatively close proximity to the user'smouth while the opposite audio interface piece 428 is simultaneouslylocated in the user's ear (and the case 420 is held in close proximityof the user's face/cheek). In this regard, the case 420 serves as aconvenient grasping surface for the user, allowing the user to quicklyachieve the conventional, intuitive telephone handset arrangementreflected in FIG. 14B.

As a point of reference, the stems 422, 424 can assume a wide variety offorms differing from those described above. For example, in otherembodiments, the stems 422, 424 can have a more solid configuration(e.g., where the corresponding speaker is located or assembled to thestem 422, 424, the stem 422, 424 can be a solid body that encapsulates awire running from the speaker).

Various embodiments of the coupling device 446 are described in greaterdetail below. In most general terms, the coupling device 446, incombination with one or more features of the case 420, maintains thecorresponding stem 422 in a manner permitting movement of the stem 422between the extended and collapsed states.

Returning to FIG. 13A, the first stem assembly 404 further includes, insome constructions, one or more microphones (not shown, but generallyreferenced at 460) at or about the audio interface 426. With thisconstruction, one or more wires (not shown) extend through the stem 422and electronically connect the microphone 460 with the microcontroller432 (FIG. 15). Alternatively, the microphone(s) 460 can be carried ormaintained by the case 420 (akin to the speaker 434 (FIG. 15) describedabove; in some embodiments, the speaker 434 serves as both a speaker anda microphone), with the stem assembly 404 directing sound waves receivedat the audio interface piece 426 through the stem 422 for sensing by themicrophone 460. Regardless, the microphone(s) 460 facilitates operationof the device 400 in a communication mode (i.e., in the collapsed stateof FIGS. 13B and 14B). For example, the communication mode can entailthe device 400 operating as a wireless interface with a cell phone viaBluetooth technology carried within in the case 420 (and/or programmedinto the microcontroller 432) or by incorporating cell phonecapabilities into the device 400 itself.

Commensurate with the above descriptions, the microcontroller 432 (FIG.15) is programmed, in some embodiments, to operate differently dependingupon the application desired by the user (e.g., a listen-only mode, acommunication mode, a standby mode, etc.). For example, in thelisten-only mode, the microcontroller 432 operates both of the speakers434 to generate an audio output that in turn is delivered to both of theaudio interface pieces 426, 428 via the corresponding stems 422, 424.Thus, in the listen-only mode, the microcontroller 432 can delivery ahigh-definition audio output (e.g., stereo) to the user via both of thespeakers 434. The formatting of this audio output can be generated by adigital music player-type device (or flash memory) carried within orconnected to the case 420. As a point of reference, the listen-only modeof the microcontroller 432 corresponds with the extended state of thestems 422, 424 or the wearable format of the device 400 (FIG. 13A). Anoptional dictation mode of the microcontroller 432 corresponds with thefirst stem 422 extended and the second stem 424 collapsed. Optionalsensor(s) monitored by the microcontroller 432 direct themicrocontroller 432 to operate in the dictation mode. Regardless, thedictation mode can include the microcontroller 432 performing speechrecognition operations (as described below with reference to FIG. 25D).

In the communication mode, the microcontroller 432 performs cellphone-type operations, for example controlling use of the internalwireless interface between a user and a separate cell phone devicecarried by or nearby the user (e.g., via Bluetooth technologyincorporated into or connected to the device 400), or controlling use ofinternal cell phone components carried by the case 420. In thecommunication mode, then, the microcontroller 432 receives and processesaudio input generated by the user at the microphone 460 (via the firststem assembly 404). Further, the microcontroller 432 generates audiooutput only at the speaker 434 associated with the second stem assembly406 (and thus the audio interface piece 428 carried by the stem 424). Asa point of reference, the communication mode of the microcontroller 432corresponds with the collapsed state of the stems 422, 424 or handheldformat of the device 400 (FIG. 13B). In the communication mode, then,the microcontroller 432 does not generate an audio output at the speakerassociated with the first stem assembly 404.

In the standby mode, the microcontroller 432 does not operate thespeakers 434 or process possible audio input received at the microphone460. Instead, the microcontroller 432 operates in a sleep or off state.However, in some embodiments, the microcontroller 432 can be programmedto perform some communications-related features in the standby mode,such as receiving incoming phone calls and/or notifying a user of anincoming phone call with vibration and/or sound.

The device 400 can incorporate various features as part of the sensorsystem 438 (FIG. 15) that promote automatic transitioning of themicrocontroller 432 to or between the listen-only mode and/or thecommunication mode. For example, the sensor system 438 can include oneor more switches or sensors (differing from the switch 440 shown in FIG.15) that sense whether one or both of the stem assemblies 404 and/or 406are in the extended state of FIG. 13A and/or the collapsed state of FIG.13B. For example, proximity sensors can be provided with the base 402and one or both of the stems 422, 424; in the collapsed state (FIG.13B), then, the proximity sensors will “sense” the relatively closeproximity to one another. Alternatively, the sensor system 438 canincorporate a manual switch that is activated (or deactivated) dependingupon a spatial position of one or both of the stems 422 and/or 424relative to the case 420. Regardless, the switch(es) and/or sensor(s)signal corresponding information to the microcontroller 432. Themicrocontroller 432, in turn, is programmed to automatically operate ina predetermined mode depending upon the arrangement or format of thestem assemblies 404 and/or 406. For example, where the microcontroller432 determines, via the sensor system 438, that the stem assemblies 404,406 are in the extended state of FIG. 13A, the microcontroller 432 willautomatically operate in the listen-only mode. Conversely, themicrocontroller 432 will automatically operate in the communication modeor the storage mode, as selected by the user, when the microcontroller432 determines, via the sensor system 438, that the stem assemblies 404,406 are in the collapsed state.

Other features can be incorporated into the device 400 that facilitateautomated operation of the microcontroller 432 in a predetermined mode.For example, and with reference to FIG. 15, with embodiments in whichthe switch 440 is provided, the switch 440 is positioned such that inthe collapsed state of the stem assembly 404, a user-applied squeezingforce to the stem 422 (i.e., squeezing the stem 422 toward the case 420)actuates the switch 440, with the microcontroller 432 automaticallyperforming a predetermined operation in response to this actuation. As apoint of reference, the stem 422 exhibits sufficient flexibility toslightly deform in response to the squeezing force, and will self-revertto the pre-set shape upon removal of the squeezing force. Thus, theshape memory attribute of the stem 422 permits momentary flexing contactwith the switch 440. In response to a signal from the switch 440, themicrocontroller 432 can be programmed to automatically perform one ormore predetermined actions, such as “answering” an incoming phone call,terminating a current phone call, activating or deactivating a speechrecognition feature of the device 400, etc.

Other sensor or switch-based features alternatively incorporated intothe device 400 can determine or indicate positioning of the stemassemblies 404, 406 in the extended state (FIG. 13A) and the collapsedstate (FIG. 13B). Further, the case 420 can incorporate a twist-typeassembly as described above.

Operation of the microcontroller 432 in a desired mode can be furthereffectuated via the user interface 436 referenced in FIG. 15. The userinterface 436 can assume a wide variety of forms and can, for example,include one or more buttons that are otherwise electronically coupled tothe microcontroller 432. In yet other embodiments, the user interface436 can be, or can further include, a differing user interface assemblysuch as a linear touchpad as described, for example, in U.S. patentapplication Ser. No. 10/999,168 filed Nov. 28, 2004 and entitled“Mobile, Hand-Held Personal Computer,” the teachings of which areincorporated herein by reference. Once exemplary linear touch padarrangement 470 shown in FIG. 16, and includes a series ofinterconnected pads 472 that are formed along the case 420 (FIG. 15).The pads 472 are readily perceived by a user when running his or herfinger along the touch pad 470. With this in mind, the microcontroller432 (FIG. 15) can be programmed to perform various, predeterminedoperational modes or routines in response to simultaneous userinteraction with two (or more) of the pads 472. For example,simultaneous touching of two of the pads 472 can effectuate playing ofcertain, pre-selected music programs or styles, whereas otherapplications can be initiated via a combination of two different ones ofthe pads 102. Alternatively, the linear touch pad 470 can assume otherforms and/or can be eliminated. For example, the user interface 436 canbe a display screen that displays information generated by themicrocontroller 432.

In yet other embodiments, a display screen or screens can be providedthat wrap about a portion of entirety of the case 420 as describe above(e.g., FIGS. 9A-9C).

Returning to FIG. 15, and as alluded to above, the coupling device 446can assume a variety of forms, and in some embodiments, includes acoupling body 480, a pivot pin 482 and a connector 484. The couplingbody 480 rotatably mounts the stem 422 with a corresponding component ofthe case 420 via the pivot pin 482. The connector 484, in turn, servesto maintain a sound wave-transmissive continuity between the stem 422and the case 420 regardless of a rotational position of the stem 422relative to the case 420.

With additional reference to FIG. 17A, the coupling body 480 includes atubular segment 486 and a ring 488. The tubular segment 486 is sized tocoaxially receive and maintain the stem 422 (adjacent the second end452). The ring 488 extends from the tubular segment 486 and is adaptedfor assembly to the case 420. More particularly, the case 420 forms oneor more hubs 490 (two of the hubs 490 are illustrated in FIG. 17A) sizedto matingly receive the ring 488. The pivot pin 482 assembles the ring488 relative to the hubs 490, such that the coupling body 480 can pivotor rotate relative to the case 420, with the pivot pin 482 establishinga pivot point. Alternatively, a wide variety of other constructionsand/or mechanisms can be employed to provide rotatable connectionbetween the stem 422 and the case 420.

In some constructions, the pivot pin 482 is formed of rubber or similarmaterial. This optional configuration is intended to provide the desiredtension of the stem 422 against the user's head (in the wearable format)and automatic device closure or removed from the head. The rubber pivotpin 482 provides tensioning beyond the flexing provided by the shapememory attribute of the stem 422. Optionally, the pivot pin 482 providesthe user with the ability to switch the tension induced by the pivot pin482 via user selection and assembly of the pivot pin 482 having adesired durometer. Further, the removable pivot pin 482 allows a user toquickly change the stem 422 for aesthetics, cleanliness, or size changefor best fit or comfort. In this regard, the assembly and tensioningassociated with a particular pivot pin can be identified by a color orother indicia. Along these same lines, installation of the couplingdevice 446 can be easily effectuated, in some embodiments, byincorporating an oversized expansion pin configuration as reflected inFIG. 17B. The pivot pin 482 is placed in an undersized hole in the ring486 to expand its circumference and fix its position. This maintains themulti-part assembly of the device 400. The rubber pivot pin 482 isinstalled in the closed or “just past” closed position to provide“automatic” closing tension when the device 400 is removed from theuser's head. In some embodiments, the pivot pin 482 has a star shape(FIG. 3) that assists in maintaining a grip of the pivot pin 482 fortorque motion and hinge memory toward the closed or collapsed state, andfor holding the device 400 to the user's head by “pinning” the earcavity.

The connector 484 is, in some embodiments, a tube configured forassembly to the second end 452 of the stem 422, as well as to a port 492formed by the case 420. As best shown in FIG. 15, the port 492 canassume a variety of forms, and generally is a rigid, hollow body havinga prescribed curvature. An interior 494 of the port 492 is “open” to thespeaker 434 such that sound waves generated at the speaker 434 progressthrough the interior 494. With this in mind, the connector 484 is sizedto be slidably received over the port 482 (alternatively, within theport 482) such that the connector 484 maintains an “open” connectionwith the interior in both the collapsed state (shown with solid lines inFIG. 15) and the extended stated (shown for the connector 484 withdashed lines in FIG. 15). Thus, sound waves generated at the speaker 434readily progress through the port 492, the connector 484 and into thechannel formed by the stem 422. The connector 484 can be relativelyrigid, having a curvature conforming to that of the port 492 tofacilitate the sliding interface. Alternatively, and as shown in FIG.17C, the connector 484 can be flexible, deflecting with movement of thestem 422 yet continuously maintaining the “open” communication betweenthe speaker 434 (FIG. 15) and the channel of the stem 422 in thecollapsed state (shown with solid lines in FIG. 17C) and the extendedstate (shown with dashed lines in FIG. 17C).

Alternatively, the coupling device 446 can assume a wide variety ofother forms. For example, a rubber or similarly material ring can beemployed for a simple solid pin hinge design using compression. FIG. 18illustrates an alternative coupling device 500. The coupling device 500includes a coupling body 502 and a retention ring 504. The coupling body502 is tubular, configured for assembly to the stem 422 and a port 506formed by the case 420. The port 506 is similar to the port 492 (FIG.15) described above, and establishes a continuous opening or passagerelative to the speaker 434. The tubular coupling body 502 is sized forslidable assembly over the port 506, and a rigid curvature correspondingwith that of the port 506. Finally, the retention ring 504 is akin to agasket, maintaining an audio sealed relationship between the couplingbody 502 and the port 506. With this configuration, then, the couplingbody 502 can slide along the port 506, effectively transitioning thestem 522 between the collapsed state (shown with solid lines in FIG. 18)and the extended state (shown with dashed lines in FIG. 18), with anunobstructed passage being at all times maintained between the speaker434 and the channel of the stem 422. The retention ring 504 serves toprevent overt movement of the coupling body 502 relative to the port506, as well as to minimize possible loss of sound through the couplingbody 502/port 506 interface.

A number of other coupling arrangements of the stem assemblies 404, 406relative to the base 402 are also envisioned by the present disclosureincorporating a transitioning mechanism differing from the foldingapproach associated with the previously-described embodiments. Forexample, FIGS. 19A and 19B illustrate an alternative embodiment mobilepersonal audio device 520 in accordance with aspects of the presentdisclosure. The device 520 is akin to the device 400 (FIGS. 13A and 13B)previously described, and include a base 522, a first stem assembly 524,and a second stem assembly 526. The base 502 maintains variouscomponents (e.g., power supply, microcontroller, speakers, andoptionally one or more microphones). In this regard, the microcontrolleris adapted to perform audio applications (i.e., the listen-only modedescribed above) and communication applications (i.e., the communicationmode described above such as a wireless telephone interface) aspreviously described. The stem assemblies 524, 526 are movably connectedto the base 522, and are transitionable from an extended state (FIG.19A) in which the device 520 can be worn by a user and delivers highdefinition sound and a collapsed state (FIG. 19B) in which the device520 is conveniently held in a user's hand and can operate to performcommunication operations.

With additional reference to FIGS. 20A and 20B, the stem assemblies 524,526 can be identical, each including a stem or tube 530 and a couplingdevice 532. The stem 530 is a tubular body with shape memory attributes,akin to the stem 422 described above. Thus, the stem 530 carries anaudio interface piece 534, for example an ear mold, for delivering audiooutput to, and optionally receiving audio input from, a user. Thecoupling device 532, in turn is configured to movably connect the stem530 relative to the base 502.

More particularly, and as shown in FIG. 20C, the base 522 includes acase 540. The case 540 forms or includes first and second sockets 542,544. An aperture 546 is centrally formed within each of the sockets 542,544, and is otherwise “open” to a speaker (not shown) maintained withinthe case 540. With this in mind, the sockets 542, 544 are configured torotatably maintain the coupling device 532 associated with acorresponding one of the stem assemblies 524 or 526. More particularly,the coupling device 532 includes a cone 550 and a flange 552 (best shownin FIG. 20B). The stem 530 is mounted to the cone 550. In this regard,the cone 550 is hollow. Upon assembly of the flange 552 within thecorresponding socket 542 or 544, then, a continuous opening isestablished between the speaker and the channel of the stem 530 via theaperture 546 and the cone 550. Further, the flange 552 is rotatablymaintained within the socket 542 or 544 (akin to a John Guest-typeswivel connector) thereby allowing the stem assembly 524, 526 to readilymove (i.e., rotate) from the wearable, extended state or format of FIG.19A to the handheld, collapsed state of FIG. 19B. To this end, the case540 can be contoured or shaped in accordance with a shape of the stems530 to promote a more compact arrangement of the stems 530 about thecase 540 in the collapsed state.

The device 520 can further incorporate one or more of the featurespreviously described. For example, the device 520 can optionally includesensor(s) and/or switch(es) that initiate automated operation of themicroprocessor (not shown), one or more user interfaces, a displaysystem, etc. For example, FIG. 21 illustrates an example wrapped-typedisplay 560 provided with the device 520.

Yet another embodiment mobile, personal audio device 570 in accordancewith principles of the present disclosure is shown in FIGS. 22A and 22B.The device 570 is akin to the device 400 (FIGS. 13A and 13B) previouslydescribed and includes a base 572, a first stem assembly 574, and asecond stem assembly 576. The base 572 includes a case 578 thatmaintains various other components described above including, forexample, a microcontroller, a power supply, and speakers. The stemassemblies 574, 576 are connected to the case 578, and each include astem 580 (e.g., a shape-retaining tube) carrying an audio interfacepiece 582 (e.g., an ear mold). In this regard, the stem assemblies 574,576 are mounted to the case 578 to be transitionable from an extended,wearable state (FIG. 22A) and a collapsed, handheld state (FIG. 22B). Incontrast to previous embodiments, transitioning of the stems 580 betweenthe extended and collapsed states entails sliding extraction orretraction of the corresponding stem 580 within or relative to the case578.

More particularly, and as best shown in FIGS. 23A-23C, the case 578forms first and second passages 590, 592 that are sized to slidablyreceive a corresponding one of the stems 580. The passages 590, 592 areopen relative to an exterior of the case 578 at an opening 594. Withthis in mind, the stem assemblies 574, 576 each include a stop body 596assembled to the stem 580. The stop body 596 is sized for slidableengagement within a corresponding one of the passages 590, 592, but hasan outer dimension greater than that of the opening 594. With thisarrangement, the stem 580 cannot be entirely extracted from the case 578due to contact between the stop body 596 and the case 578 as shown.Regardless, a continuous, open channel is established between a speakercarried by the case 578 and a corresponding one of the stems 580. Tobetter inhibit undesired twisting of the stems 580 relative to the case578, the passages 590, 592 and the stop body 594 can have a square-likeshape in transverse cross-section as illustrated in FIG. 22C, althoughother configurations are also acceptable.

The device 570 can incorporate one or more of the additional featuresdescribed above. For example, as shown in FIG. 24, the base 572 caninclude an OLED display with touch pad capabilities 600 (incommunication with a microcontroller 601) that may or may not wrap aboutthe case 578. FIG. 24 further illustrates locations of speakers 602 anda power source 604 in accordance with some embodiments. Finally, thedevice 570 can include docking ports 606 that permit convenient mountingof the device 570 to a docking station or stand as described below.

FIG. 25A illustrates the device 570 in the extended state and worn by auser, with the base 572 located behind the user's head/neck. FIG. 25Billustrates an alternative wearable format in which the base 572 islocated in front of the user's neck. FIG. 25C illustrates the device 570in a collapsed, handheld state or format, positioned by a single hand(not shown) of the user such that audio interface piece 582 of the firststem assembly 574 is located near the user's mouth, and the audiointerface piece 582 of the second stem assembly 576 is located in oradjacent the user's ear. It will be understood from previousexplanations that the first stem assembly 574 carries or is open to oneor more microphones such that audio input from the user's mouth isreceived by the device 570.

FIG. 25D illustrates the device 570 in a partially collapsed state. Inparticular, the first stem assembly 574 is in the extended state and thesecond stem assembly 576 is in the collapsed (e.g., retracted) state.The audio interface piece 582 of the first stem assembly 574 is locatednear the user's mouth, whereas the base 572 is held in a single hand(not shown) of the user with the display 600 being viewable by the user.With embodiments in which the device 570 is provided with speechrecognition capabilities (e.g., programming provided with themicrocontroller 601), the device 570 can perform speech recognitionoperations in the partially collapsed state (e.g., dictation mode) inwhich spoken words or commands by the user are received at the firststem assembly 574 (via the corresponding audio interface piece 582) inoperating the device 570, such that the device 570 performs dictationoperations. In this regard, the spoken word(s) or commands can be viewedby the user at the display 600 while speaking into the audio interfacepiece 582 of the first stem assembly 574. Optionally, the device 510 canbe programmed to provide highlighted display(s) to the user asdescribed, for example, as described in U.S. application Ser. No.11/111,398, filed Apr. 21, 2005 and entitled “Speech RecognitionComputing Device Display with Highlighted Text,” the teachings of whichare incorporated herein by reference. Alternatively or in addition, thedevice 570 can include one, two, or more microphones at the audiointerface piece 582 of each of the stem assemblies 574, 576 to providelinear array noise canceling microphones to improve speech recognitionwhile the display 600 is held in front of the user's face. Further, FIG.25D reflects that in some embodiments, the audio interface piece 582 ofthe first stem assembly 574 is inverted (e.g., manually inverted by theuser) to better “gather” audio input from the user.

One example of the device 570 mounted to a docking stand 620 as shown inFIG. 26. As illustrated, the stand 620 is configured to arrange thedevice 570 in the stored state such that the display 600 is readilyvisible. As a point of reference, any of the other device embodimentsdescribed above, can equally be configured for use with a dockingsystem/stand akin to the relationship shown in FIG. 26. Alternatively,the device 570 (or any of the other device embodiments described herein)can be self-standing (e.g., on a table top) with the stem assemblies574, 576 in the extended state, positioning the display carried by thebase 572 for easy viewing. The device 570 is optionally programmed suchthat when docked in the stand 620, the device 570 will automaticallyoperate as a speaker phone while remaining assembled to the stand 620.

An additional, alternative embodiment mobile audio device 630 inaccordance with the present disclosure is shown in FIG. 27. The device630 can assume any of the constructions described above, and includes acase 632, opposing stem assemblies 634 carrying respective audiointerface piece 636, a microcontroller (not shown), and speakers (notshown). In addition, the device 630 includes a conductive speaker 638,and thus can assume any of the forms described in U.S. ProvisionalApplication Ser. No. 60/034,812 filed Mar. 7, 2008 and entitled “ThreeSpeaker Wearable Audio Device,” the teachings of which are incorporatedby reference. The conductive speaker 638 can be incorporated with any ofthe devices of the present disclosure.

While the personal mobile audio devices have been described above asincorporating various components for providing wireless telephonicinterface with a separate cell phone (e.g., Bluetooth technology,antennae, etc.), in other embodiments, the personal mobile audio devicein accordance with the present disclosure can operate as a standalonecell phone (in addition to the listen-only mode features describedabove). For example, FIG. 28 illustrates an embodiment personal mobileaudio device 650 including a base 652 and first and second stemassemblies 654, 656. As with previous embodiments, the stem assemblies654, 656 are movably connected with a case 658 of the base 652,providing both an extended state and a collapsed state. In addition,however, the base 652 includes cell phone components, referencedgenerally at 660, allowing the device 650 to perform cell phoneoperations in the communication mode.

An additional optional feature common to all of the device embodimentsdescribed above relates to the format for configuration of the idealinterface (e.g., the audio interface piece 536 shown in FIG. 13A). Asindicated above, the audio interface piece useful with the devices ofthe present disclosure can assume a conventional ear mold-type form inwhich a series of holes are formed through the molded piece throughwhich sound waves travel. In other embodiments, the audio interfacepiece can incorporate bumps or ridges to deliver and receive audiooutputs and inputs. For example, FIG. 29A illustrates an embodimentaudio interface piece 700 incorporating a series of ridges 702. FIG. 29Billustrates another embodiment audio interface piece 710 incorporating aseries of bumps 712. The audio interface pieces 700, 710 are akin to earmolds, yet permit ambient audio while in the user's ear. The ridges 702or bumps 712 function in a manner similar to the holes used withconventional ear molds, permitting a desired mix of ambient audio anddevice-generated audio, but preventing blocking of ambient audio noisedue to excessive surface contact. In other embodiments, one or moreholes can be formed in addition to the ridges 702 or bumps 712. Further,and as previously described, the audio interface pieces 700, 710 may beinverted to facilitate gathering of audio.

The mobile personal audio devices of the present disclosure are verysmall, hide-behind-neck or hide-in front-neck mobile device. In someconstructions, the device is configured to be held in place by twomolded tubes providing stereo sound from a single case containingspeakers, wireless, processing, power supply, optional USB or otherdocking means, and data storage components. The tubes automatically coilwhen the device is removed from the head. This makes it easy to pocket.Optionally, it can be designed to automatically turn on/off orawake/sleep when the device is on-head. When the right or first tube isrotated toward the ear/mouth, it automatically switches betweenmusic/communication applications. This same tube has a microphone at theend at just beyond the ear mold feature. The tube protects themicrophone wire but still permits music to flow through the tube. Theear mold feature acts as a cheek stand to place the microphone in anideal position. The device remains held on the head in both locations bythe tube's molded pressure. The device has intuitive user features,whereby positioning of the tubes automatically directs function andstatus. The device is comfortable, wearable, partially hidden, andprovides a hands-free format. Automatic stereo-to-mono speakers operatebased upon a desired application. Ideal microphone positioning ispromoted for improved audio interface. The device is durable, protectingthe microphone wire and eliminates speaker wires while centralizing allother electrical components. Where desired, the ear molds associatedwith the device are removable and can be selected based upon a desiredend use. For example, depending upon the amount of expected ambientaudio variables, the ear molds can have more or less perforations/holesto permit surrounding audio while listening.

Although the present disclosure has been described with reference topreferred embodiments, workers skilled in the art will recognize thatchanges can be made in form and detail without departing from the spiritand scope of the present invention.

1. A mobile personal audio device comprising: a case sized for placementalong a user's neck; a power source maintained within the case; a firstspeaker maintained within the case at a first side thereof; a secondspeaker maintained within the case at an opposite, second side thereof;a microcontroller maintained within the case and programmed to performone or more audio-related operations, the microcontroller beingelectronically connected to the speakers and the power source; and firstand second stem assemblies extending from the first and second sides ofthe case, respectively, each of the stem assemblies including a tubehaving a first end adjacent and open to a corresponding one of thespeakers and terminating at a second end, wherein each of the stemassemblies are configured such that the corresponding tube ispositionable in a user-selected extended state in which thecorresponding second end is displaced from the case and a collapsedstate in which the corresponding second end is in close proximity to thecase; wherein the device is configured such that in the extended state,the case is locatable at the back of the user's neck, the tubes extendalong opposite sides of the user's head for selective placement of thesecond ends near a respective one of the user's ears, and themicrocontroller operates to cause the speakers to generate audio soundwaves that are delivered to at least one of the user's ears via thesecond end thereof.
 2. The device of claim 1, wherein the device isconfigured such that in the collapsed state, the device is removed fromthe user's head and the stem assemblies operate to self-transition thetubes along the case.
 3. The device of claim 1, wherein the stemassemblies are configured such that in the extended state and the deviceis worn by a user, the stem assemblies self-tension the correspondingtube against a user's head.
 4. The device of claim 1, wherein the deviceis configured such that in the extended state a distance between therespective second ends correlates with a human form factor ofear-to-ear, and in the collapsed state, the distance correlates with ahuman form factor of ear-to-mouth.
 5. The device of claim 1, whereineach of the tubes are flexible and have an imparted shape memoryattribute.
 6. The device of claim 5, wherein the first tube includes afirst segment extending from the first end and a second segmentextending from the second end, the imparted shape memory attributeincluding a bend along the first segment.
 7. The device of claim 6,wherein the bend generates a tension in the first tube when transitionedfrom the collapsed state to the extended state such that when worn by auser in the extended state, the tension forces the second segment towardthe user's head.
 8. The device of claim 1, wherein each of the stemassemblies further includes: a coupling device movably connecting thefirst end of the corresponding tube to the case.
 9. The device of claim8, wherein the coupling device pivotably connects the corresponding tubeto the case.
 10. The device of claim 8, wherein the coupling device isconfigured to permit selective insertion of the corresponding tubewithin the case.
 11. The device of claim 10, wherein the coupling deviceslidably connects the corresponding tubes to the case.
 12. The device ofclaim 1, further comprising: a sensor system electronically connected tothe microcontroller and configured to detect arrangement of the devicein at least one of the extended and the collapsed states.
 13. The deviceof claim 12, wherein the microcontroller is programmed to perform apowering down operation in response to a signal from the sensor systemindicative of the device transitioning from the extended state to thecollapsed state.
 14. The device of claim 12, wherein the microcontrolleris programmed to change a mode of operation in response to a signal fromthe sensor system.
 15. The device of claim 12, wherein the sensor systemis configured to indicate positioning of the tubes in the extendedstate, and further wherein the microcontroller is programmed toautomatically operate in the listen-only mode in response to a signalfrom the sensor system indicative of the tubes being transitioned to theextended state.
 16. The device of claim 12, wherein the sensor system isconfigured to indicate positioning of the tubes in the collapsed state,and further wherein the microcontroller is programmed to automaticallyoperate in a communication mode in response to a signal from the sensorsystem indicative of the tubes being transitioned to the collapsedstate.
 17. The device of claim 1, further comprising: a microphoneassociated with the tube of the first stem assembly and electronicallyconnected to the microcontroller.
 18. The device of claim 17, whereinthe microcontroller is programmed to operate in listen-only mode inwhich audio output is generated by the first and second speakers, and acommunication mode in which audio input from a user is received at themicrophone and processed by the microprocessor in performing acommunication operation.
 19. The device of claim 18, wherein themicrophone is maintained in the case.
 20. The device of claim 18,wherein the microcontroller is programmed to operate as a wirelesstelephone interface in the communication mode.
 21. The device of claim17, wherein the microcontroller is programmed to perform speechrecognition operations.
 22. The device of claim 21, further comprising adisplay screen carried by the case, and further wherein themicrocontroller is programmed to perform a user dictation operation indisplaying spoken words on the display screen.
 23. The device of claim1, wherein a size and shape of each of the case and the tubes are basedupon form factors of an adult human head and neck.
 24. The device ofclaim 1, further comprising: at least one of a Bluetooth connector, aUSB port, an antenna, and a flash memory maintained by the case.
 25. Thedevice of claim 1, further comprising an MP3 player jack coupled to thecase and electronically connected to the microcontroller.
 26. The deviceof claim 1, further comprising: a user interface maintained by the caseand electronically connected to the microcontroller.
 27. The device ofclaim 26, wherein the user interface includes at least one of a lineartouchpad and a display screen.
 28. The device of claim 26, wherein theuser interface is a display screen, and further wherein themicrocontroller is programmed to prompt a scrolling display on thedisplay screen based upon a point of elevation sensor.
 29. The device ofclaim 1, further comprising cell phone components maintained by the casesuch that the device is operable as a cell phone.
 30. The device ofclaim 1, further comprising: an LED device carried by the case andpositioned to illuminate the tube of the first stem assembly.
 31. Thedevice of claim 1, further comprising: an audio interface piece carriedat the second end of the tube of the first stem assembly, the audiointerface piece configured to be manually invertable.
 32. The device ofclaim 1, further comprising: an audio interface piece carried at thesecond end of the tube of the first stem assembly and configured forinsertion in a user's ear, wherein an exterior surface of the audiointerface piece forms at least one of bumps and ridges.